The Stone Age site of Göbekli Tepe in Southeast Turkey has been the focus of scientific research for just over two decades. Best known for its impressive monumental stone buildings and characteristic T-shaped limestone pillars, the site is also home to other unique finds of Early Neolithic art, including carefully carved animal and human depictions. But what exactly was going at this site some 11.000 years ago? Fragments of human skull recovered during archaeological excavations are now providing first tentative insights into a previously unknown variation of death ritual, which saw deep grooves carved into human crania using flint tools. ...